99999237044163 has 32 divisors (see below), whose sum is σ = 138245308416000. Its totient is φ = 64220189644800.

The previous prime is 99999237044143. The next prime is 99999237044167. The reversal of 99999237044163 is 36144073299999.

It is not a de Polignac number, because 99999237044163 - 2⁶ = 99999237044099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99999237044167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 762873918 + ... + 763004988.

It is an arithmetic number, because the mean of its divisors is an integer number (4320165888000).

Almost surely, 2^{99999237044163} is an apocalyptic number.

99999237044163 is a deficient number, since it is larger than the sum of its proper divisors (38246071371837).

99999237044163 is a wasteful number, since it uses less digits than its factorization.

99999237044163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151083.

The product of its (nonzero) digits is 714256704, while the sum is 75.

The spelling of 99999237044163 in words is "ninety-nine trillion, nine hundred ninety-nine billion, two hundred thirty-seven million, forty-four thousand, one hundred sixty-three".